A fluorescent probe for the determination of Ce4+ in aqueous media |
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| Authors: | Liang Huang Yong Liu Cai Ma Pinxian Xi Wei Kou Zhengzhi Zeng |
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| Affiliation: | 1. Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PR China;2. Medical College of Northwest University for Nationalities, Lanzhou 730030, PR China;1. School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan;2. Department of Biochemical Science and Technology, National Taiwan University, Taipei 106, Taiwan;3. Graduate Institute of Biomedical Materials and Tissue Engineering, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan;1. Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, Milan, Italy;2. Inter-hospital Pathology Division, Science & Technology Park, IRCCS MultiMedica, Via Gaudenzio Fantoli 16/15, 20138 Milan, Italy;3. Department of Medical Oncology, University Hospital Southampton NHS Foundation Trust, Southampton, UK;4. CRUK and NIHR Experimental Cancer Medicine Centre and Cancer Sciences Unit, Faculty of Medicine, University of Southampton, Southampton, UK;1. School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Key Laboratory of Materials-Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region, Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi 832003, People''s Republic of China;2. State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, People''s Republic of China;3. Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry & Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China;1. College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China;2. PetroChina Petrochemical Research Institute, Beijing 102200, China;1. Institute of Molecular Science, Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Shanxi University, Taiyuan, Shanxi 030006, People’s Republic of China;2. Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, Shanxi University, Taiyuan, Shanxi 030006, People’s Republic of China |
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| Abstract: | A rhodamine-based probe bearing an N,N-dimethylaniline unit was developed as a fluorescent chemodosimeter for Ce4+ in aqueous media. Importantly, the sensor can selectively respond to Ce4+ over other commonly coexistent metal ions (such as La3+, Ce3+, Pr3+, Nd3+, Sm3+, Eu3+, Gd3+, Er3+, Tb3+, Ho3+, Tm3+, Yb3+, Lu3+, Y3+) in aqueous media with a rapid response time. The system, which utilizes an irreversible Ce4+-promoted oxidation reaction, responds instantaneously at room temperature with linear proportionality to the amount of Ce4+. |
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